<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>window1</title>
  </head>
  <body>
    <h1>窗口1</h1>
    <input
      type="text"
      id="content"
      name="content"
      placeholder="input something"
    />
    <button id="btn">发送</button>
    <script src="./window1.js"></script>
  </body>
</html>
